جوهر القائد مولى المعز

Jawhar the commander, a freedman of al-Mu'izz li-Din Allah. The caliph sent him and he took Egypt in 358 AH. ²

Al-Suyuti says that he was sent with a hundred thousand horsemen, and that he alighted on the site of present-day Cairo and laid out its plan, and built the residence of the amirate for al-Mu'izz, which is known as al-Qasrayn. ²

He cut off the Friday sermon for the Abbasids, wore black and clothed the preachers in white, and ordered a new formula for the sermon with the names of the imams, the fathers of al-Mu'izz. ²

Ibn al-Athir says that al-Mu'izz sent him in 358 AH with a large army to Egypt, where he took power. He was a freedman of al-Mu'izz's father al-Mansur, and he was a Roman. ³